Rachael E. Jack studied facial expression and cross-cultural emotion recognition using generated facial movements and reverse correlation. Reconstructing which visual features observers use tests the assumed correspondence between an emotion label and a face. Cross-cultural differences challenge a universal mapping without implying that no facial information is shared. [ref]
Facial expressions of emotion are not culturally universal by Rachael E. Jack and others. 2012, Figures 1–3, generated stimuli and reverse correlation
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